learning from facets

[soodoku]

Dear @dcomtois,

I was browsing https://pair-code.github.io/facets/ and thought there were some useful innovations that could be imported after appropriately crediting the source.

For instance, 'avg_str_length' for string.

i also enjoyed the 'train/test' and more generally ability to compare across datasets. i don't know if everything belongs here but then again, why not?

[dcomtois]

Thank you, I wasn't aware of that project. I will look into this when I get a chance!

Cheers